Finding the Fourth Proportional to 423.08, 634.68 and 149.14
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Solution
The fourth proportional to 423.08, 634.68 and 149.14 is: 223.73
Step by Step Solution
- Step 1: Write the proportion equation
423.08 : 634.68 = 149.14 : x - Step 2: Convert to fraction form
423.08/634.68 = 149.14/x - Step 3: Cross multiply
423.08x = 634.68 × 149.14 - Step 4: Simplify right side
423.08x = 94,656.18 - Step 5: Solve for x
x = 94,656.18/423.08 - Step 6: Final answer
x = 223.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.